Most of the existing tutorials of deployment certificate use the compilation method to install OCServ. In fact, the EPEL source already contains this package, and it is still the latest. So just install EPEL and then execute the following command: yum install epel release - y yum install OCServ - y There is another pit in the existing tutorials, They teach you to use certtool to generate self signed certificates; If you don't want to be attacked by the middleman, you'd better
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